astm a106 gr.b sch40/sch80/sch120/schxxs steel tube & seamless pipe for structure/construction

astm a106 gr.b sch40/sch80/sch120/schxxs steel tube & seamless pipe for structure/construction

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 5000 m.t./month

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Specifications

seamless steel pipe
1.Standard :ISO 2531,EN 545,EN598,GB13295,ASTM C151
2.Size:DN80-DN1200

Hot Rolled Steel Structure Seamless Pipe

Detail specification:

1,The executable standard: GB/T8162-1999,GB/T8163-1999,GB/3087-1999, ASTM A106,ASTM A53,ASTM A335,API SPEC 5L,API SPEC 5CT,DIN17175,DIN17100

2, Material : 45 #, 10 # - Q345B (16 mn) and alloy material, A, B steel grade, X42 - X70, K55, J55 and N80, L80, C90, C95, P110, Q125

3, outside diameter : φ5mm-824mm

4, wall thickness: 0.8-60mm

5, Length: 4m-12m or as customer's requirement

6, product package: Spray painting; Oil painting; Anti-corrosion insulation; Groove or even mouth; The pipe protection

Elements Material	Chemical Compsition%					Mechanical Property
	C%	Mn%	S%	P%	Si%	Yield Point (Mpa)	Tensile Strength(Mpa)	Elongation (%)
Q195	0.06-0.12	0.25-0.50	<0.050	<0.045	<0.030	>195	315-430	32-33
Q215	0.09-0.15	0.25-0.55	<0.05	<0.045	<0.030	>215	335-450	26-31
Q235	0.12-0.20	0.30-0.70	<0.045	<0.045	<0.030	>235	375-500	24-26
Q345	<0.20	1.0-1.6	<0.040	<0.040	<0.55	>345	470-630	21-22

Q: What is the average cost of steel pipes?: Several factors, including size, grade, and quantity of steel pipes needed, as well as current market conditions, can cause the average cost of steel pipes to vary. Typically, steel pipes range in cost from $500 to $1500 per ton. Nonetheless, it should be emphasized that this is only a rough estimation, and prices may fluctuate due to factors such as demand, location, and quality. For more precise pricing information based on specific project requirements, it is advisable to contact suppliers or manufacturers.

Q: Can steel pipes be used in plumbing systems?: Yes, steel pipes can be used in plumbing systems. Steel pipes are commonly used for plumbing due to their durability, strength, and resistance to corrosion. They are suitable for both residential and commercial plumbing applications and can effectively transport water, gas, and other fluids.

Q: What is the outer diameter and wall thickness of the welded steel pipe of national standard DN250?: DN (nominal diameter) 250 is generally the industry said 273, welded steel pipe (spiral steel pipe) thickness is generally between 6-8mm, more common.

Q: How are steel pipes used in the manufacturing of heat exchangers?: Steel pipes are commonly used in the manufacturing of heat exchangers due to their strength, durability, and ability to withstand high temperatures and pressures. These pipes are typically used to create the primary heat transfer surfaces within the heat exchanger, allowing for efficient transfer of heat between two fluids. The steel pipes are often arranged in a coil or tube bundle configuration, providing a large surface area for heat exchange to occur. Additionally, the corrosion-resistant properties of steel make it an ideal choice for handling various fluids in heat exchanger applications.

Q: Can steel pipes be used for underground applications?: Yes, steel pipes can be used for underground applications. They are commonly used for underground piping systems in various industries such as water, oil, and gas. The durability and strength of steel make it suitable for withstanding underground conditions, providing reliable and long-lasting performance.

Q: Can steel pipes be used for underground gas pipelines?: Yes, steel pipes can be used for underground gas pipelines. Steel pipes are commonly used in the construction of gas pipelines due to their strength, durability, and resistance to corrosion. They provide a reliable and safe means of transporting gas underground.

Q: Can steel pipes be used for wastewater treatment plants?: Yes, steel pipes can be used for wastewater treatment plants. Steel pipes are commonly used in wastewater treatment plants due to their durability, strength, and resistance to corrosion. They are suitable for conveying and transporting various types of wastewater and can withstand the harsh and corrosive environment found in these facilities. Additionally, steel pipes can be easily welded and joined, allowing for efficient installation and maintenance processes.

Q: What are the different types of pipe fittings used with steel pipes?: There are several types of pipe fittings commonly used with steel pipes, including elbows, tees, reducers, couplings, unions, flanges, and valves.

Q: How are steel pipes protected against external moisture?: Steel pipes are protected against external moisture through a variety of methods. One common method is the application of a protective coating or paint on the surface of the pipes. This coating acts as a barrier, preventing moisture from coming into direct contact with the steel. The coating can be made of different materials, such as epoxy, polyethylene, or zinc, depending on the specific requirements and environment. Another method of protection is through the use of corrosion inhibitors. These inhibitors are added to the internal or external surfaces of the pipes, forming a protective layer that prevents moisture from causing corrosion. Corrosion inhibitors can be in the form of chemicals, such as rust converters or rust preventatives, which react with the steel to form a protective barrier. Additionally, steel pipes can be protected against external moisture through cathodic protection. This technique involves the use of sacrificial anodes or impressed current to create an electric current that protects the steel. Sacrificial anodes, typically made of zinc, aluminum, or magnesium, are attached to the steel pipes and corrode over time instead of the steel, thus preventing moisture-induced corrosion. Furthermore, proper insulation and waterproofing measures are crucial in protecting steel pipes from external moisture. Insulation materials, such as foam or tape, are applied to the pipes to provide an additional layer of protection and prevent moisture infiltration. Waterproofing measures, such as the use of sealants or membranes, can also be implemented to ensure that no moisture seeps into the pipes. Regular maintenance, including inspections and repairs, is essential to ensure the continued protection of steel pipes against external moisture. By promptly addressing any areas of damage or corrosion, the integrity of the protective measures can be maintained, prolonging the lifespan of the steel pipes and preventing costly repairs or replacements in the future.

Q: How are steel pipes used in the construction of underground parking garages?: Steel pipes are used in the construction of underground parking garages for various purposes, including providing structural support, serving as conduits for utilities such as water and electricity, and facilitating drainage systems. They are often used as deep foundation elements to support the weight of the structure and the vehicles above. Additionally, steel pipes are commonly used for installing fire suppression systems, ventilation systems, and plumbing connections within the parking garage.

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